Tank top



FIG. 1 is a front view of a tank top according to the design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a rear perspective view thereof; and,

FIG. 7 is a rear environmental view thereof.

The broken lines in FIG. 7 depict environment that forms no part of theclaimed design.

CLAIM The ornamental design for a tank top, as shown and described.